source: trip-planner-front/node_modules/webpack/lib/dependencies/ImportPlugin.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const ImportContextDependency = require("./ImportContextDependency");
const ImportDependency = require("./ImportDependency");
const ImportEagerDependency = require("./ImportEagerDependency");
const ImportParserPlugin = require("./ImportParserPlugin");
const ImportWeakDependency = require("./ImportWeakDependency");

/** @typedef {import("../Compiler")} Compiler */

class ImportPlugin {
        /**
         * Apply the plugin
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.compilation.tap(
                        "ImportPlugin",
                        (compilation, { contextModuleFactory, normalModuleFactory }) => {
                                compilation.dependencyFactories.set(
                                        ImportDependency,
                                        normalModuleFactory
                                );
                                compilation.dependencyTemplates.set(
                                        ImportDependency,
                                        new ImportDependency.Template()
                                );

                                compilation.dependencyFactories.set(
                                        ImportEagerDependency,
                                        normalModuleFactory
                                );
                                compilation.dependencyTemplates.set(
                                        ImportEagerDependency,
                                        new ImportEagerDependency.Template()
                                );

                                compilation.dependencyFactories.set(
                                        ImportWeakDependency,
                                        normalModuleFactory
                                );
                                compilation.dependencyTemplates.set(
                                        ImportWeakDependency,
                                        new ImportWeakDependency.Template()
                                );

                                compilation.dependencyFactories.set(
                                        ImportContextDependency,
                                        contextModuleFactory
                                );
                                compilation.dependencyTemplates.set(
                                        ImportContextDependency,
                                        new ImportContextDependency.Template()
                                );

                                const handler = (parser, parserOptions) => {
                                        if (parserOptions.import !== undefined && !parserOptions.import)
                                                return;

                                        new ImportParserPlugin(parserOptions).apply(parser);
                                };

                                normalModuleFactory.hooks.parser
                                        .for("javascript/auto")
                                        .tap("ImportPlugin", handler);
                                normalModuleFactory.hooks.parser
                                        .for("javascript/dynamic")
                                        .tap("ImportPlugin", handler);
                                normalModuleFactory.hooks.parser
                                        .for("javascript/esm")
                                        .tap("ImportPlugin", handler);
                        }
                );
        }
}
module.exports = ImportPlugin;